9999945

素因数分解:

$3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{619}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 17409600

約数和(自身を除く): 7409655

約数列:

[1, 3, 5, 9, 15, 45, 359, 619, 1077, 1795, 1857, 3095, 3231, 5385, 5571, 9285, 16155, 27855, 222221, 666663, 1111105, 1999989, 3333315, 9999945]

約数ペア:

[(1, 9999945), (3, 3333315), (5, 1999989), (9, 1111105), (15, 666663), (45, 222221), (359, 27855), (619, 16155), (1077, 9285), (1795, 5571), (1857, 5385), (3095, 3231)]